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    <title>Draw and modify features example</title>
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        <a class="navbar-brand" href="./"><img src="./resources/logo-70x70.png">&nbsp;OpenLayers 3 Examples</a>
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      <div class="row-fluid">
  <div class="span12">
    <div id="map" class="map"></div>
  </div>
  <form class="form-inline">
    <label>Geometry type &nbsp;</label>
    <select id="type">
      <option value="Point">Point</option>
      <option value="LineString">LineString</option>
      <option value="Polygon">Polygon</option>
    </select>
  </form>
</div>


      <div class="row-fluid">
        <div class="span12">
          <h4 id="title">Draw and modify features example</h4>
          <p id="shortdesc">Example of using the ol.interaction.Draw interaction together with the ol.interaction.Modify interaction.</p>
          <div id="docs"><p>Example of using the ol.interaction.Draw interaction together with the ol.interaction.Modify interaction.</p>
</div>
          <div id="tags">draw, edit, modify, vector, featureoverlay</div>
          <div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Collection.html" title="API documentation for ol.Collection">ol.Collection</a></li>,<li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.events.condition.html" title="API documentation for ol.events.condition">ol.events.condition</a></li>,<li><a href="../apidoc/ol.interaction.Draw.html" title="API documentation for ol.interaction.Draw">ol.interaction.Draw</a></li>,<li><a href="../apidoc/ol.interaction.Modify.html" title="API documentation for ol.interaction.Modify">ol.interaction.Modify</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.layer.Vector.html" title="API documentation for ol.layer.Vector">ol.layer.Vector</a></li>,<li><a href="../apidoc/ol.source.MapQuest.html" title="API documentation for ol.source.MapQuest">ol.source.MapQuest</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li>,<li><a href="../apidoc/ol.style.Circle.html" title="API documentation for ol.style.Circle">ol.style.Circle</a></li>,<li><a href="../apidoc/ol.style.Fill.html" title="API documentation for ol.style.Fill">ol.style.Fill</a></li>,<li><a href="../apidoc/ol.style.Stroke.html" title="API documentation for ol.style.Stroke">ol.style.Stroke</a></li>,<li><a href="../apidoc/ol.style.Style.html" title="API documentation for ol.style.Style">ol.style.Style</a></li></ul></div>
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        <form method="POST" id="jsfiddle-form" target="_blank" action="http://jsfiddle.net/api/post/jquery/1.11.0/">
          <textarea class="hidden" name="js">var raster &#x3D; new ol.layer.Tile({
  source: new ol.source.MapQuest({layer: &#x27;sat&#x27;})
});

var map &#x3D; new ol.Map({
  layers: [raster],
  target: &#x27;map&#x27;,
  view: new ol.View({
    center: [-11000000, 4600000],
    zoom: 4
  })
});

var features &#x3D; new ol.Collection();
var featureOverlay &#x3D; new ol.layer.Vector({
  source: new ol.source.Vector({features: features}),
  style: new ol.style.Style({
    fill: new ol.style.Fill({
      color: &#x27;rgba(255, 255, 255, 0.2)&#x27;
    }),
    stroke: new ol.style.Stroke({
      color: &#x27;#ffcc33&#x27;,
      width: 2
    }),
    image: new ol.style.Circle({
      radius: 7,
      fill: new ol.style.Fill({
        color: &#x27;#ffcc33&#x27;
      })
    })
  })
});
featureOverlay.setMap(map);

var modify &#x3D; new ol.interaction.Modify({
  features: features,
  // the SHIFT key must be pressed to delete vertices, so
  // that new vertices can be drawn at the same position
  // of existing vertices
  deleteCondition: function(event) {
    return ol.events.condition.shiftKeyOnly(event) &amp;&amp;
        ol.events.condition.singleClick(event);
  }
});
map.addInteraction(modify);

var draw; // global so we can remove it later
function addInteraction() {
  draw &#x3D; new ol.interaction.Draw({
    features: features,
    type: /** @type {ol.geom.GeometryType} */ (typeSelect.value)
  });
  map.addInteraction(draw);
}

var typeSelect &#x3D; document.getElementById(&#x27;type&#x27;);


/**
 * Let user change the geometry type.
 * @param {Event} e Change event.
 */
typeSelect.onchange &#x3D; function(e) {
  map.removeInteraction(draw);
  addInteraction();
};

addInteraction();
</textarea>
          <textarea class="hidden" name="css"></textarea>
          <textarea class="hidden" name="html">&lt;div class&#x3D;&quot;row-fluid&quot;&gt;
  &lt;div class&#x3D;&quot;span12&quot;&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
  &lt;/div&gt;
  &lt;form class&#x3D;&quot;form-inline&quot;&gt;
    &lt;label&gt;Geometry type &amp;nbsp;&lt;/label&gt;
    &lt;select id&#x3D;&quot;type&quot;&gt;
      &lt;option value&#x3D;&quot;Point&quot;&gt;Point&lt;/option&gt;
      &lt;option value&#x3D;&quot;LineString&quot;&gt;LineString&lt;/option&gt;
      &lt;option value&#x3D;&quot;Polygon&quot;&gt;Polygon&lt;/option&gt;
    &lt;/select&gt;
  &lt;/form&gt;
&lt;/div&gt;
</textarea>
          <input type="hidden" name="wrap" value="l">
          <input type="hidden" name="resources" value="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css,https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js,http://openlayers.org/en/v3.11.1/css/ol.css,http://openlayers.org/en/v3.11.1/build/ol.js">
        </form>
        <pre><code id="example-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;Draw and modify features example&lt;/title&gt;
&lt;script src="https://code.jquery.com/jquery-1.11.2.min.js"&gt;&lt;/script&gt;
&lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"&gt;
&lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"&gt;&lt;/script&gt;
&lt;link rel="stylesheet" href="http://openlayers.org/en/v3.11.1/css/ol.css" type="text/css"&gt;
&lt;script src="http://openlayers.org/en/v3.11.1/build/ol.js"&gt;&lt;/script&gt;

&lt;/head&gt;
&lt;body&gt;
&lt;div class="container-fluid"&gt;

&lt;div class&#x3D;&quot;row-fluid&quot;&gt;
  &lt;div class&#x3D;&quot;span12&quot;&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
  &lt;/div&gt;
  &lt;form class&#x3D;&quot;form-inline&quot;&gt;
    &lt;label&gt;Geometry type &amp;nbsp;&lt;/label&gt;
    &lt;select id&#x3D;&quot;type&quot;&gt;
      &lt;option value&#x3D;&quot;Point&quot;&gt;Point&lt;/option&gt;
      &lt;option value&#x3D;&quot;LineString&quot;&gt;LineString&lt;/option&gt;
      &lt;option value&#x3D;&quot;Polygon&quot;&gt;Polygon&lt;/option&gt;
    &lt;/select&gt;
  &lt;/form&gt;
&lt;/div&gt;

&lt;/div&gt;
&lt;script&gt;
var raster &#x3D; new ol.layer.Tile({
  source: new ol.source.MapQuest({layer: &#x27;sat&#x27;})
});

var map &#x3D; new ol.Map({
  layers: [raster],
  target: &#x27;map&#x27;,
  view: new ol.View({
    center: [-11000000, 4600000],
    zoom: 4
  })
});

var features &#x3D; new ol.Collection();
var featureOverlay &#x3D; new ol.layer.Vector({
  source: new ol.source.Vector({features: features}),
  style: new ol.style.Style({
    fill: new ol.style.Fill({
      color: &#x27;rgba(255, 255, 255, 0.2)&#x27;
    }),
    stroke: new ol.style.Stroke({
      color: &#x27;#ffcc33&#x27;,
      width: 2
    }),
    image: new ol.style.Circle({
      radius: 7,
      fill: new ol.style.Fill({
        color: &#x27;#ffcc33&#x27;
      })
    })
  })
});
featureOverlay.setMap(map);

var modify &#x3D; new ol.interaction.Modify({
  features: features,
  // the SHIFT key must be pressed to delete vertices, so
  // that new vertices can be drawn at the same position
  // of existing vertices
  deleteCondition: function(event) {
    return ol.events.condition.shiftKeyOnly(event) &amp;&amp;
        ol.events.condition.singleClick(event);
  }
});
map.addInteraction(modify);

var draw; // global so we can remove it later
function addInteraction() {
  draw &#x3D; new ol.interaction.Draw({
    features: features,
    type: /** @type {ol.geom.GeometryType} */ (typeSelect.value)
  });
  map.addInteraction(draw);
}

var typeSelect &#x3D; document.getElementById(&#x27;type&#x27;);


/**
 * Let user change the geometry type.
 * @param {Event} e Change event.
 */
typeSelect.onchange &#x3D; function(e) {
  map.removeInteraction(draw);
  addInteraction();
};

addInteraction();

&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;</code></pre>
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    <script src="./resources/prism/prism.min.js"></script>
    <script src="loader.js?id=draw-and-modify-features"></script>

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